<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<body>
<h2>Hello World!</h2>
    <form action="/login" method="get">
        <p>用户名:<input type="text" name="username"/></p>
        <p>密&emsp;码:<input type="password" name="password"/></p>
        <p><input type="submit" style="text-align: center"></p>
    </form>
</body>
</html>
